<?php
header("Content-type:text/html; charset=utf-8");
require_once'db_conn.php';
$conn;

$sql = "SELECT * FROM  t_message ";
$result = $conn->query($sql);
//print_($result) ;

//echo $result->field_count;
echo"<pre>";

//print_r($result->fetch_array());
$rows = $result->fetch_all(MYSQLI_ASSOC);
print_r($rows);
foreach($rows as $value){
    echo "<br/>";
    echo $value['username'] ." 说:  ". $value['content'];
}

